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Super Duplex 2205 | Product Overview
Introduction To Super Duplex Stainless Steel 2205
Super Duplex Stainless Steel 2205 is a dual-phase (ferritic-austenitic) stainless steel that combines exceptional corrosion resistance with high strength. It contains approximately 22% chromium, 5–6% nickel, and 3% molybdenum, giving it superior resistance to pitting, crevice corrosion, and stress corrosion cracking compared to conventional austenitic and ferritic stainless steels.
2205 is widely used in industries where chloride stress corrosion resistance, strength, and durability are crucial. MOKSH TUBES & FITTINGS LLP is a trusted supplier, exporter, importer, and stockist of Super Duplex 2205 products such as pipes, tubes, fittings, flanges, plates, and custom components.
Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.03 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Chromium (Cr) | 21.0 – 23.0 |
| Nickel (Ni) | 4.5 – 6.5 |
| Molybdenum (Mo) | 2.5 – 3.5 |
| Nitrogen (N) | 0.08 – 0.20 |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 620 – 880 MPa |
| Yield Strength (0.2% Offset) | 450 – 550 MPa |
| Elongation | 25 – 30% |
| Hardness | 290 HB (max) |
| Density | 7.80 g/cm³ |
Products in Duplex Stainless Steel S31803
Duplex Stainless Steel S31803 is available in a variety of mill forms:
We supply Duplex Stainless Steel S31803 materials in accordance with the most stringent industry standards:
Uses and Advantages
Excellent resistance to chloride-induced stress corrosion cracking
Superior pitting and crevice corrosion resistance
Twice the yield strength of conventional austenitic stainless steels
Good weldability and formability
High mechanical strength and durability in harsh environments
Applications of Super Duplex Stainless Steel 2205
Super Duplex Stainless Steel 2205 is widely used across multiple industries:
Chemical Processing
Reactors, heat exchangers, and storage tanks for chemical processing equipment.
Oil & Gas Industry
Offshore platforms, risers, subsea equipment, and pipelines.
Marine & Desalination Plants
Seawater systems, offshore structures, and desalination equipment.
Pulp & Paper Industry
Machinery and piping used in pulp and paper production processes.
Pollution Control & Pressure Vessels
Equipment and tanks in corrosive conditions for safe storage and processing.
WHY CHOOSE US?
FAQ's
What makes Super Duplex 2205 superior to standard austenitic stainless steel?
It has twice the strength and significantly better resistance to chloride stress corrosion cracking than standard austenitic grades like 304 or 316.
Is Super Duplex 2205 weldable?
Yes, but proper control of heat input and post-weld treatment is essential to maintain corrosion resistance and strength.
Where is Super Duplex 2205 most commonly used?
In offshore oil & gas, desalination plants, chemical processing, and marine applications where corrosion resistance and high strength are critical.
Can Super Duplex 2205 be used in seawater environments?
Yes, it has excellent resistance to seawater corrosion and chloride-induced stress corrosion cracking.
Contact Us
For inquiries, pricing, or customized Super Duplex Stainless Steel 2205 solutions, Moksh Tubes & Fittings LLP your reliable partner in Super Duplex Stainless Steel 2205.
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